Product Specifications
| Parameter |
Details |
| Model NO. |
22276CA |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Clearance |
C0 C3 C4 |
| Service |
OEM ODM |
| Rolling Body |
Roller Bearings |
| The Number of Rows |
Double |
| Material |
Bearing Steel |
| Spherical |
Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Unseparated |
| Outer Dimension |
50-2500 |
| Specification |
380*680*175 mm |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Hub Assemblies, Gearboxes |
| Agriculture |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Construction |
Excavators, Heavy Load Machinery |
Eliminate Downtime with Reliable Self-Aligning Roller Bearings 22276CA 22280CA 22308CCK W33
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. When precision equipment grinds to a halt, every minute of delay eats into production targets and profits. Sourcing replacement bearings that match original specifications, especially for less common models like 22276CA or 22308CCK W33, often means long lead times and minimum order quantities that strain maintenance budgets.
Self-Aligning Roller Bearings Engineered for Industrial Durability
Our Self-Aligning Roller Bearings address these challenges with P0-P4 precision ratings and Z2-Z4 noise grades, ensuring compatibility with high-performance industrial machinery. As an integrated manufacturer with full R&D capabilities and ISO9001 certification, we control production from raw material selection to final inspection, delivering bearings that maintain alignment even under shaft deflection—critical for machine tools, reducers, and heavy-duty conveyors.
Optimal Performance in Demanding Industrial Environments
These double-row radial bearings excel in applications with heavy radial loads and moderate axial loads, such as printing presses and agricultural machinery. The self-aligning design compensates for misalignment up to 2-3 degrees, reducing stress on shafts and extending equipment life. Made from high-grade bearing steel, they withstand continuous operation in temperatures ranging from -30°C to 120°C, making them suitable for both indoor manufacturing facilities and outdoor construction sites.
Key Technical Attributes That Matter
Precision rating directly impacts machinery accuracy—P4 class bearings, for example, minimize rotational跳动 (runout) to less than 5μm, essential for CNC machine spindles. Clearance options (C0/C3/C4) allow customization: C3 clearance suits high-temperature applications where thermal expansion occurs, while C0 is ideal for tight fits in gearbox assemblies. The unseparated design ensures easy installation, reducing maintenance time, while the double-row roller configuration distributes load evenly, increasing dynamic load capacity by up to 30% compared to single-row alternatives.
Why Genuine Bearings Lower Total Cost of Ownership
Choosing authentic Self-Aligning Roller Bearings over counterfeit alternatives eliminates hidden costs. Inferior bearings often fail prematurely, leading to repeated replacements, unplanned downtime, and potential damage to costly equipment components. Our bearings come with a 12-month global warranty, covering manufacturing defects with free replacement or refund. For industrial operations, this reliability translates to predictable maintenance schedules and lower long-term costs compared to budget bearings that compromise on material quality and precision.
Our Commitment to Your Production Continuity
With over 18 years of experience serving global buyers, we maintain production capacity of 1,000,000 units annually, ensuring consistent supply even for large orders. Our QC lab conducts 100% inspection on critical dimensions and noise levels before shipment. We offer flexible ordering with 1pc MOQ for standard items, 3-5 day sample lead times, and 5-15 day bulk delivery—so you can get the exact bearings you need without excess inventory. Technical support is available free of charge, from选型 (selection) guidance to installation advice, helping you avoid costly application errors.
Packaging & Shipping
- Carton and pallet packaging with protective inner wrapping to prevent damage during transit
- Sample lead time: 3–5 days for standard specifications
- Bulk delivery: 5–15 days after payment confirmation
- Multiple shipping options: DHL, FedEx, UPS, air freight, or sea freight based on urgency and volume
- 1pc minimum order quantity available for emergency repairs and small-batch requirements
Get Your Bearings Shipped Fast—Minimize Production Loss
Every day without functional bearings costs your operation money. Whether you need a single 22308CCK W33 for emergency repair or bulk 22276CA bearings for scheduled maintenance, we can fulfill your order quickly. Send us your bearing型号 (model number), required precision class, and quantity, and our team will provide a quote within 24 hours—so you can get back to full production sooner.
Frequently Asked Questions
Q: Are these bearings new and authentic?
A: Yes, we manufacture our bearings in-house under strict ISO9001 standards and supply authentic NSK/INA bearings through authorized channels. Each product can be traced to our production or supply chain records.
Q: How do I confirm the right bearing model for my equipment?
A: Provide your equipment model, application details (load, speed, temperature), or existing bearing dimensions, and our technical team will verify compatibility at no cost.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty. Manufacturing defects are covered by free replacement or refund, with responsive after-sales support.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch purchases.
Q: How quickly can you ship?
A: Samples ship in 3–5 days, bulk orders in 5–15 days. We use reliable logistics partners for fast global delivery.
Q: How can I verify the bearings' quality upon receipt?
A: Each bearing includes manufacturing batch numbers. You can request inspection reports, and our team can guide you through visual checks (laser markings, packaging) and dimensional verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
